Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 6000 m 7000 m 5000 m 4000 m 6000 m 7000 m 5000 m 4000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as contour interval horizontal equivalent contour gradient contour line contour interval horizontal equivalent contour gradient contour line ANSWER DOWNLOAD EXAMIANS APP
Surveying At upper culmination, the pole star moves Eastward Westward Northward Southward Eastward Westward Northward Southward ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Principal line Principal distance Isocentric distance Focal length Principal line Principal distance Isocentric distance Focal length ANSWER DOWNLOAD EXAMIANS APP
Surveying Different grades are joined together by a Reverse curve Transition curve Compound curve Vertical curve Reverse curve Transition curve Compound curve Vertical curve ANSWER DOWNLOAD EXAMIANS APP
Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Perspective centre Ground principal point Iso-centre Ground plumb point Perspective centre Ground principal point Iso-centre Ground plumb point ANSWER DOWNLOAD EXAMIANS APP